Kailene is a distinctive girls' name in United States, ranking #16027 in 2025 with 5 recorded births. The name reached its all-time peak in 1998 with 13 births ranking #7312. Since 1996, the popularity has decreased by 37.5%. In 2025, approximately 1 in every 321,453 girls born was named Kailene. STABLE Recent data shows the name is currently stable.